Example usage for com.amazonaws.services.kinesis.model PutRecordRequest PutRecordRequest

Introduction

In this page you can find the example usage for com.amazonaws.services.kinesis.model PutRecordRequest PutRecordRequest.

Prototype

PutRecordRequest

Source Link

Usage

From source file:AmazonKinesisSample.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from  w  w  w . ja  v  a2s  .  co m

    final String myStreamName = "myFirstStream";
    final Integer myStreamSize = 1;

    // Create a stream. The number of shards determines the provisioned throughput.

    CreateStreamRequest createStreamRequest = new CreateStreamRequest();
    createStreamRequest.setStreamName(myStreamName);
    createStreamRequest.setShardCount(myStreamSize);

    kinesisClient.createStream(createStreamRequest);
    // The stream is now being created.
    LOG.info("Creating Stream : " + myStreamName);
    waitForStreamToBecomeAvailable(myStreamName);

    // list all of my streams
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());

    }
    LOG.info("Printing my list of streams : ");

    // print all of my streams.
    if (!streamNames.isEmpty()) {
        System.out.println("List of my streams: ");
    }
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println(streamNames.get(i));
    }

    LOG.info("Putting records in stream : " + myStreamName);
    // Write 10 records to the stream
    for (int j = 0; j < 10; j++) {
        PutRecordRequest putRecordRequest = new PutRecordRequest();
        putRecordRequest.setStreamName(myStreamName);
        putRecordRequest.setData(ByteBuffer.wrap(String.format("testData-%d", j).getBytes()));
        putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
        PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
        System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                + ", ShardID : " + putRecordResult.getShardId());
    }

    // Delete the stream.
    LOG.info("Deleting stream : " + myStreamName);
    DeleteStreamRequest deleteStreamRequest = new DeleteStreamRequest();
    deleteStreamRequest.setStreamName(myStreamName);

    kinesisClient.deleteStream(deleteStreamRequest);
    // The stream is now being deleted.
    LOG.info("Stream is now being deleted : " + myStreamName);
}

---

From source file:kinesisAlertAnalysis.java

License:Open Source License

public static void main(String[] args) throws Exception {

    init();// www.  ja v  a 2s  . com

    final String myStreamName = "alertsStream";
    final Integer myStreamSize = 1;

    /*
     * The ProfileCredentialsProvider will return your [awsReilly]
     * credential profile by reading from the credentials file located at
     * (/Users/johnreilly/.aws/credentials).
     */
    AWSCredentials credentials = null;
    try {
        credentials = new ProfileCredentialsProvider("jreilly").getCredentials();
    } catch (Exception e) {
        throw new AmazonClientException("Cannot load the credentials from the credential profiles file. "
                + "Please make sure that your credentials file is at the correct "
                + "location (/Users/johnreilly/.aws/credentials), and is in valid format.", e);
    }

    // Describe the stream and check if it exists.
    DescribeStreamRequest describeStreamRequest = new DescribeStreamRequest().withStreamName(myStreamName);
    try {
        StreamDescription streamDescription = kinesis.describeStream(describeStreamRequest)
                .getStreamDescription();
        System.out.printf("Stream %s has a status of %s.\n", myStreamName, streamDescription.getStreamStatus());

        if ("DELETING".equals(streamDescription.getStreamStatus())) {
            System.out.println("Stream is being deleted. This sample will now exit.");
            System.exit(0);
        }

        // Wait for the stream to become active if it is not yet ACTIVE.
        if (!"ACTIVE".equals(streamDescription.getStreamStatus())) {
            waitForStreamToBecomeAvailable(myStreamName);
        }
    } catch (ResourceNotFoundException ex) {
        System.out.printf("Stream %s does not exist. Creating it now.\n", myStreamName);

        // Create a stream. The number of shards determines the provisioned throughput.
        CreateStreamRequest createStreamRequest = new CreateStreamRequest();
        createStreamRequest.setStreamName(myStreamName);
        createStreamRequest.setShardCount(myStreamSize);
        kinesis.createStream(createStreamRequest);
        // The stream is now being created. Wait for it to become active.
        waitForStreamToBecomeAvailable(myStreamName);
    }

    // List all of my streams.
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesis.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesis.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());
    }
    // Print all of my streams.
    System.out.println("List of my streams: ");
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println("\t- " + streamNames.get(i));
    }

    AmazonSQS sqs = new AmazonSQSClient(credentials);
    Region usEast1 = Region.getRegion(Regions.US_EAST_1);
    sqs.setRegion(usEast1);

    System.out.println("");
    System.out.println("===========================================");
    System.out.println("Getting Started with sqsAlertCache");
    System.out.println("===========================================\n");

    try {

        String thisQueue = "alertCache";
        String nextQueue = "alertReceive";

        // Receive messages
        System.out.println("Receiving messages from " + thisQueue + ".");
        ReceiveMessageRequest receiveMessageRequest = new ReceiveMessageRequest(thisQueue);
        List<Message> messages = sqs.receiveMessage(receiveMessageRequest).getMessages();
        System.out.println("Message count for " + thisQueue + ": " + messages.size() + "\n");

        for (Message message : messages) {

            System.out.println("  Message");
            System.out.println("    MessageId:     " + message.getMessageId());
            System.out.println("    ReceiptHandle: " + message.getReceiptHandle());
            System.out.println("    MD5OfBody:     " + message.getMD5OfBody());
            System.out.println("    Body:          " + message.getBody());
            for (Entry<String, String> entry : message.getAttributes().entrySet()) {
                System.out.println("  Attribute");
                System.out.println("    Name:  " + entry.getKey());
                System.out.println("    Value: " + entry.getValue());
            }
            System.out.println();

            // Write record to the stream
            long createTime = System.currentTimeMillis();
            PutRecordRequest putRecordRequest = new PutRecordRequest();
            putRecordRequest.setStreamName(myStreamName);
            putRecordRequest.setData(ByteBuffer.wrap(String.format(message.getBody(), createTime).getBytes()));
            putRecordRequest.setPartitionKey(String.format("partitionKey-%d", createTime));
            PutRecordResult putRecordResult = kinesis.putRecord(putRecordRequest);
            System.out.printf(
                    "Successfully put record, partition key : %s, ShardID : %s, SequenceNumber : %s.\n",
                    putRecordRequest.getPartitionKey(), putRecordResult.getShardId(),
                    putRecordResult.getSequenceNumber());

            // then send message to cache queue
            System.out.println("Sending messages to next queue.");
            sqs.sendMessage(new SendMessageRequest(nextQueue, message.getBody()));

            // delete message after sending to persist queue
            System.out.println("Deleting message from this queue.\n");
            String messageRecieptHandle = message.getReceiptHandle();
            sqs.deleteMessage(new DeleteMessageRequest(thisQueue, messageRecieptHandle));
        }

    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, which means your request made it "
                + "to Amazon SQS, but was rejected with an error response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, which means the client encountered "
                + "a serious internal problem while trying to communicate with SQS, such as not "
                + "being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
}

---

From source file:sqsAlertStream.java

License:Open Source License

public static void main(String[] args) throws Exception {

    // get credentials
    String user = "jreilly";
    AWSCredentials credentials = whgHelper.getCred(user);

    // use credentials to set access to SQS
    AmazonSQS sqs = whgHelper.setQueueAccess(credentials);

    // define queue that messages will be retrieved from
    String thisQueue = "alertStream";
    String nextQueue = "alertErrorHandling";

    // set access to stream instance
    kinesis = new AmazonKinesisClient(credentials);

    final String streamName = "alertsStream";
    final Integer streamSize = 1;

    while (1 > 0) {

        // pull list of current messages (up to 10) in the queue
        List<Message> messages = whgHelper.getMessagesFromQueue(thisQueue, sqs);
        System.out.println("Count of messages in " + thisQueue + ": " + messages.size());

        try {/*from w ww  . j a v  a 2 s .  c  o  m*/

            for (Message message : messages) {

                whgHelper.printMessage(message);
                for (Entry<String, String> entry : message.getAttributes().entrySet()) {
                    whgHelper.printMessageEntry(entry);
                }

                // Write record to the stream
                long createTime = System.currentTimeMillis();
                PutRecordRequest putRecordRequest = new PutRecordRequest();
                putRecordRequest.setStreamName(streamName);
                putRecordRequest
                        .setData(ByteBuffer.wrap(String.format(message.getBody(), createTime).getBytes()));
                putRecordRequest.setPartitionKey(String.format("partitionKey-%d", createTime));
                PutRecordResult putRecordResult = kinesis.putRecord(putRecordRequest);
                System.out.printf(
                        "Successfully put record, partition key : %s, ShardID : %s, SequenceNumber : %s.\n",
                        putRecordRequest.getPartitionKey(), putRecordResult.getShardId(),
                        putRecordResult.getSequenceNumber());

                // then send message to cache queue
                System.out.println("Sending messages to next queue.");
                sqs.sendMessage(new SendMessageRequest(nextQueue, message.getBody()));

                // delete message after sending to persist queue
                System.out.println("Deleting message from this queue.\n");
                String messageRecieptHandle = message.getReceiptHandle();
                sqs.deleteMessage(new DeleteMessageRequest(thisQueue, messageRecieptHandle));
            }
            Thread.sleep(20000); // do nothing for 1000 miliseconds (1 second)

        } catch (AmazonServiceException ase) {
            whgHelper.errorMessagesAse(ase);
        } catch (AmazonClientException ace) {
            whgHelper.errorMessagesAce(ace);
        }
    }
}

---

From source file:AmazonKinesisCreate.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from ww  w .  jav  a2 s.c om

    final String myStreamName = "philsteststream";
    final Integer myStreamSize = 1;

    // Create a stream. The number of shards determines the provisioned throughput.

    CreateStreamRequest createStreamRequest = new CreateStreamRequest();
    createStreamRequest.setStreamName(myStreamName);
    createStreamRequest.setShardCount(myStreamSize);

    // pt
    kinesisClient.createStream(createStreamRequest);

    // The stream is now being created.
    LOG.info("Creating Stream : " + myStreamName);
    waitForStreamToBecomeAvailable(myStreamName);

    // list all of my streams
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());

    }
    LOG.info("Printing my list of streams : ");

    // print all of my streams.
    if (!streamNames.isEmpty()) {
        System.out.println("List of my streams: ");
    }
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println(streamNames.get(i));
    }

    LOG.info("Putting records in stream : " + myStreamName);
    // Write 10 records to the stream
    for (int j = 0; j < 10; j++) {

        try {
            PutRecordRequest putRecordRequest = new PutRecordRequest();
            putRecordRequest.setStreamName(myStreamName);
            putRecordRequest.setData(ByteBuffer.wrap(String.format("testData-%d", j).getBytes()));
            putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
            PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
            System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                    + ", ShardID : " + putRecordResult.getShardId());
            Thread.sleep(1000);

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    // Delete the stream.

    /*
    LOG.info("Deleting stream : " + myStreamName);
    DeleteStreamRequest deleteStreamRequest = new DeleteStreamRequest();
    deleteStreamRequest.setStreamName(myStreamName);
            
    kinesisClient.deleteStream(deleteStreamRequest);
    // The stream is now being deleted.
    LOG.info("Stream is now being deleted : " + myStreamName);
            
    LOG.info("Streaming completed" + myStreamName);
    */

}

---

From source file:KinesisStreamDataProducer.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();//from   w ww  . j a  va2s .  com

    final String myStreamName = "sparkStream";

    logger.info("Putting records in stream : " + myStreamName);
    // Write records to the stream
    for (int j = 0; j < 100; j++) {
        PutRecordRequest putRecordRequest = new PutRecordRequest();
        putRecordRequest.setStreamName(myStreamName);
        putRecordRequest.setData(
                ByteBuffer.wrap(String.format("testData-%d testData-%d testData-%d", j, j, j).getBytes()));
        putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
        PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
        System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                + ", ShardID : " + putRecordResult.getShardId());
    }
}

---

From source file:AmazonKinesisRecordProducerSample.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();/*from  ww  w.j  a  v  a 2 s .  co m*/

    final String myStreamName = AmazonKinesisApplicationSample.SAMPLE_APPLICATION_STREAM_NAME;
    final Integer myStreamSize = 1;

    // Describe the stream and check if it exists.
    DescribeStreamRequest describeStreamRequest = new DescribeStreamRequest().withStreamName(myStreamName);
    try {
        StreamDescription streamDescription = kinesis.describeStream(describeStreamRequest)
                .getStreamDescription();
        System.out.printf("Stream %s has a status of %s.\n", myStreamName, streamDescription.getStreamStatus());

        if ("DELETING".equals(streamDescription.getStreamStatus())) {
            System.out.println("Stream is being deleted. This sample will now exit.");
            System.exit(0);
        }

        // Wait for the stream to become active if it is not yet ACTIVE.
        if (!"ACTIVE".equals(streamDescription.getStreamStatus())) {
            waitForStreamToBecomeAvailable(myStreamName);
        }
    } catch (ResourceNotFoundException ex) {
        System.out.printf("Stream %s does not exist. Creating it now.\n", myStreamName);

        // Create a stream. The number of shards determines the provisioned throughput.
        CreateStreamRequest createStreamRequest = new CreateStreamRequest();
        createStreamRequest.setStreamName(myStreamName);
        createStreamRequest.setShardCount(myStreamSize);
        kinesis.createStream(createStreamRequest);
        // The stream is now being created. Wait for it to become active.
        waitForStreamToBecomeAvailable(myStreamName);
    }

    // List all of my streams.
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesis.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesis.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());
    }
    // Print all of my streams.
    System.out.println("List of my streams: ");
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println("\t- " + streamNames.get(i));
    }

    System.out.printf("Putting records in stream : %s until this application is stopped...\n", myStreamName);
    System.out.println("Press CTRL-C to stop.");
    // Write records to the stream until this program is aborted.
    while (true) {
        long createTime = System.currentTimeMillis();
        PutRecordRequest putRecordRequest = new PutRecordRequest();
        putRecordRequest.setStreamName(myStreamName);
        putRecordRequest.setData(ByteBuffer.wrap(String.format("testData-%d", createTime).getBytes()));
        putRecordRequest.setPartitionKey(String.format("partitionKey-%d", createTime));
        PutRecordResult putRecordResult = kinesis.putRecord(putRecordRequest);
        System.out.printf("Successfully put record, partition key : %s, ShardID : %s, SequenceNumber : %s.\n",
                putRecordRequest.getPartitionKey(), putRecordResult.getShardId(),
                putRecordResult.getSequenceNumber());
    }
}

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From source file:com.alertlogic.aws.analytics.poc.RecordKinesisPutter.java

License:Open Source License

/**
 * Send a single record to Amazon Kinesis using PutRecord.
 *//*from   w  ww  .  j  a va  2  s . c o  m*/
private void sendRecord() {
    Record record = recordFactory.create();
    byte[] bytes;
    try {
        bytes = JSON.writeValueAsBytes(record);
    } catch (IOException e) {
        LOG.warn("Skipping record. Unable to serialize: '" + record + "'", e);
        return;
    }

    PutRecordRequest putRecord = new PutRecordRequest();
    putRecord.setStreamName(streamName);
    // We use the resource as the partition key so we can accurately calculate totals for a given resource
    putRecord.setPartitionKey(record.getField("resource"));
    putRecord.setData(ByteBuffer.wrap(bytes));
    // Order is not important for this application so we do not send a SequenceNumberForOrdering
    putRecord.setSequenceNumberForOrdering(null);

    try {
        kinesis.putRecord(putRecord);
    } catch (ProvisionedThroughputExceededException ex) {
        if (LOG.isDebugEnabled()) {
            LOG.debug(String.format("Thread %s's Throughput exceeded. Waiting 10ms",
                    Thread.currentThread().getName()));
        }
        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    } catch (AmazonClientException ex) {
        LOG.warn("Error sending record to Amazon Kinesis.", ex);
    }
}

---

From source file:com.alertlogic.aws.kinesis.test1.producer.HttpReferrerKinesisPutter.java

License:Open Source License

/**
 * Send a single pair to Amazon Kinesis using PutRecord.
 *//*from   ww  w  .j ava 2s  .  c  om*/
private void sendPair() {
    HttpReferrerPair pair = referrerFactory.create();
    byte[] bytes;
    try {
        bytes = JSON.writeValueAsBytes(pair);
    } catch (IOException e) {
        LOG.warn("Skipping pair. Unable to serialize: '" + pair + "'", e);
        return;
    }

    PutRecordRequest putRecord = new PutRecordRequest();
    putRecord.setStreamName(streamName);
    // We use the resource as the partition key so we can accurately calculate totals for a given resource
    putRecord.setPartitionKey(pair.getResource());
    putRecord.setData(ByteBuffer.wrap(bytes));
    // Order is not important for this application so we do not send a SequenceNumberForOrdering
    putRecord.setSequenceNumberForOrdering(null);

    try {
        kinesis.putRecord(putRecord);
    } catch (ProvisionedThroughputExceededException ex) {
        if (LOG.isDebugEnabled()) {
            LOG.debug(String.format("Thread %s's Throughput exceeded. Waiting 10ms",
                    Thread.currentThread().getName()));
        }
        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    } catch (AmazonClientException ex) {
        LOG.warn("Error sending record to Amazon Kinesis.", ex);
    }
}

---

From source file:com.boundary.aws.kinesis.Sample.java

License:Open Source License

public static void main(String[] args) throws Exception {
    init();/*from www.j a  va 2 s .c o  m*/

    final String myStreamName = "boundary-test-stream";
    final Integer myStreamSize = 1;

    // Create a stream. The number of shards determines the provisioned
    // throughput.

    CreateStreamRequest createStreamRequest = new CreateStreamRequest();
    createStreamRequest.setStreamName(myStreamName);
    createStreamRequest.setShardCount(myStreamSize);

    kinesisClient.createStream(createStreamRequest);
    // The stream is now being created.
    LOG.info("Creating Stream : " + myStreamName);
    waitForStreamToBecomeAvailable(myStreamName);

    // list all of my streams
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());

    }
    LOG.info("Printing my list of streams : ");

    // print all of my streams.
    if (!streamNames.isEmpty()) {
        System.out.println("List of my streams: ");
    }
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println(streamNames.get(i));
    }

    LOG.info("Putting records in stream : " + myStreamName);
    // Write 10 records to the stream
    for (int j = 0; j < 100; j++) {
        PutRecordRequest putRecordRequest = new PutRecordRequest();
        putRecordRequest.setStreamName(myStreamName);
        putRecordRequest.setData(ByteBuffer.wrap(String.format("testData-%d", j).getBytes()));
        putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
        PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
        System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                + ", ShardID : " + putRecordResult.getShardId());
    }

    // Delete the stream.
    LOG.info("Deleting stream : " + myStreamName);
    DeleteStreamRequest deleteStreamRequest = new DeleteStreamRequest();
    deleteStreamRequest.setStreamName(myStreamName);

    kinesisClient.deleteStream(deleteStreamRequest);
    // The stream is now being deleted.
    LOG.info("Stream is now being deleted : " + myStreamName);
}

---

From source file:com.calamp.services.kinesis.events.writer.CalAmpEventWriter.java

License:Open Source License

/**
 * Uses the Kinesis client to send the event to the given stream.
 *
 * @param trade instance representing the stock trade
 * @param kinesisClient Amazon Kinesis client
 * @param streamName Name of stream /*from w ww  .java  2s.c om*/
 */
public static void sendEvent(CalAmpEvent event, AmazonKinesis kinesisClient, String streamName) {
    byte[] bytes = event.toJsonAsBytes();
    // The bytes could be null if there is an issue with the JSON serialization by the Jackson JSON library.
    if (bytes == null) {
        LOG.warn("Could not get JSON bytes for stock trade");
        return;
    }

    LOG.info("Putting trade: " + event.toString());
    PutRecordRequest putRecord = new PutRecordRequest();
    putRecord.setStreamName(CalAmpParameters.unorderdStreamName);
    putRecord.setPartitionKey(String.valueOf(event.getMachineId()));
    putRecord.setData(ByteBuffer.wrap(bytes));

    //This is needed to guaranteed FIFO ordering per partitionKey
    if (prevSeqNum != null) {
        putRecord.setSequenceNumberForOrdering(prevSeqNum);
    }
    try {
        PutRecordResult res = kinesisClient.putRecord(putRecord);
        prevSeqNum = res.getSequenceNumber();
        Utils.lazyLog(putRecord, CalAmpParameters.writeLogName);
    } catch (AmazonClientException ex) {
        LOG.warn("Error sending record to Amazon Kinesis.", ex);
    }
}

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